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From |
Rui Liu <ruiliu2010@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
st: Meta-analysis questions |

Date |
Thu, 23 Sep 2010 13:28:31 -0400 |

Hi. I'm a new user of STATA and the meta-analysis commands and have a couple of questions... 1) For "metan logor selogor" command, is the default fixed effect? and if I would like to test for the DerSimonian & Laird random effects is it correct to type "metan logor selogor, random"? 2) I'm trying to do the command "metabias logor selogor, graph (begg)" but is giving me the following error message: Note: data input format theta se_theta assumed. Only Egger or Begg tests can be used with two input variables theta se_theta r(198); What is causing this and how should I resolve it? 3) I'm trying to do the command "metafunnel logor selogor, by (typename)" where typename is the type of different study designs but is it giving me the following error message: Note: default data input format (theta, se_theta) assumed. type mismatch r(109); If i don't put in "by (typename)" it works fine and giving me the funnel plot. What is causing this and how should I resolve it? Thank you so much in advance for your guidance. Rui * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

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